Kotoko is finally a full-fledged nurse, but worries that due to her lack of experience, she'll be a burden on Naoki.
How long have you been a nurse now, Ms. Irie?
Wie lange sind Sie nun schon
Krankenschwester, Irie-san?
¿Hace cuánto que eres enfermera, Irie-san?
¿Hace cuánto que eres enfermera, Irie-san?
Há quanto tempo você é 
uma enfermeira, Sra. Irie?